
David S Ludwig MD
Professor, Pediatrics-Children's Hospital, Harvard Medical School
Join to view full profile
300 Longwood AveBoston, MA 02115
Phone+1 617-355-7476
Dr. Ludwig is on Doximity
As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Summary
- David S. Ludwig, MD, PhD, is an endocrinologist and researcher at Boston Children’s Hospital, Professor of Pediatrics at Harvard Medical School and Professor of Nutrition at Harvard School of Public Health. For more than 25 years, Dr. Ludwig has studied the effects of dietary composition on metabolism, body weight and risk for chronic disease – with a special focus on low-carbohydrate and ketogenic diets. He has made seminal contributions to development of the “carbohydrate-insulin model,” an alternative perspective on the cause and treatment of obesity. Described as an “obesity warrior” by Time Magazine, Dr. Ludwig has fought for fundamental policy changes to improve the food environment. He has authored more than 250 scientific articles and presently serves as an editor at The American Journal of Clinical Nutrition. Dr. Ludwig is author of the #1 New York Times bestseller Always Hungry? Conquer Cravings, Retrain Your Fat Cells, and Lose Weight Permanently.
Education & Training
Boston Children’s Hospital/Boston Medical CenterFellowship, Pediatric Endocrinology, 1992 - 1995
Boston Children’s Hospital/Boston Medical CenterResidency, Pediatrics, 1990 - 1993
Stanford University School of MedicineClass of 1990
Certifications & Licensure
MA State Medical License 1993 - 2027
Clinical Trials
Publications & Presentations
PubMed
- GVC-Calc enables large-scale analysis of continuous glucose monitoring data.Diana M Thomas, Ethan Collins, Karoline Hood, Leanne M Redman, Kaja Falkenhain
Nature Metabolism. 2026-10-01 - 2 citationsTesting the carbohydrate-insulin model: The data are supportive!David S Ludwig, Jennie C Brand-Miller, Cara B Ebbeling, Mark I Friedman, Nicholas G Norwitz
Cell Metabolism. 2025-06-03 - 25 citationsWash-in and washout effects: mitigating bias in short term dietary and other trials.David S Ludwig, Walter C Willett, Mary E Putt
BMJ. 2025-04-22
Journal Articles
- Conflicts of Interest in Nutrition ResearchSteven B Heymsfield, David S Ludwig, JAMA
- Incorrect Analyses Were Used in “Different Enteral Nutrition Formulas Have No Effect on Glucose Homeostasis but on Diet-Induced Thermogenesis in Critically Ill Medical...David S Ludwig, Steven B Heymsfield, Nature
Authored Content
- The Carbohydrate-Insulin Model of ObesityJuly 2018
- Epidemic Childhood Obesity: Not yet the End of the BeginningMarch 2018
Press Mentions
What's Actually in Our Carbs: A Pantry RaidApril 26th, 2026
If You're Struggling to Lose Weight, Could Chilling Your Carbs Help?February 26th, 2026
US Child, Teen Obesity Rates Reach Record High While Adult Trends Appear to Slow, CDC Report FindsFebruary 25th, 2026
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: